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# frozen_string_literal: true
#
# zip.rb
#
module Puppet::Parser::Functions
newfunction(:zip, type: :rvalue, doc: <<-DOC
@summary
Takes one element from first array and merges corresponding elements from second array.
@return
This generates a sequence of n-element arrays, where n is one more than the count of arguments.
@example
zip(['1','2','3'],['4','5','6'])
Would result in: ["1", "4"], ["2", "5"], ["3", "6"]
DOC
) do |arguments|
# Technically we support three arguments but only first is mandatory ...
raise(Puppet::ParseError, "zip(): Wrong number of arguments given (#{arguments.size} for 2)") if arguments.size < 2
a = arguments[0]
b = arguments[1]
raise(Puppet::ParseError, 'zip(): Requires array to work with') unless a.is_a?(Array) && b.is_a?(Array)
flatten = function_str2bool([arguments[2]]) if arguments[2]
result = a.zip(b)
result = flatten ? result.flatten : result
return result
end
end
# vim: set ts=2 sw=2 et :
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